Balkans : frontier of two worlds / by William B. King and Frank O'Brien Bulgaren in ihren historischen, ethnographischen und politischen Grenzen, (679-1917) : (Atlas mit 40 Landkarten) = The Bulgarians in their historical, ethnographical and political frontiers = … wolseley series / ed. by walter h. james Indian frontier warfare / by G.J. Younghusband Verdun to the Vosges : impressions of the war on the fortress frontier of France / G. Campbell Campaigns on the North-West frontier / by Captain H.L. Nevill Frontier warfare and bush fighting Proeve van beschouwingen over de verdediging van een belangrijk deel van Nederlands grondgebied : Het oostelijk frontier / L. Frankamp Science, the endless frontier : a report to the president (on a program for postwar scientific research) / by Vannevar Bush Philip's large scale military map of South Africa : Sheet 1. Orange Free State, W. & S. Frontiers Naam- en Rangregister der Officieren van de Nationale Armée, in dienst der Bataafsche Republicq : midsgaders die der Duitsche troupes, volgens capitulatie nog in derzelver … the case of goa frontier violations of August 15, 1955 : subsequent attacks on Portuguese consulates in the Indian region / Statements by the Ministry for Foreign Affairs and … Report by the Demarcation Commission of the Netherlands-German Frontier
